The full name of Pearl Mingsume Liquid is Pearl Mingsume Eye Drops, and its harm is that some patients will have allergic symptoms after using it, and long-term use will cause dry eye, glaucoma and so on. Pearl eye drops some patients use allergic phenomenon, after the use of frequent tears, redness in the eyelids, conjunctival edema and other allergic symptoms, need to immediately stop using this drug, timely medical treatment. Pearl eye drops because of its eye drops contain preservatives, long-term use will damage the internal environment of the eye, so that the corneal epithelial tissue is damaged, resulting in dry eyes and astringent conditions, seriously leading to the emergence of dry eye syndrome. In addition, pearl eye drops have antibiotics to treat eye infections, long-term use is easy to make the eyes of bacterial infections, resulting in localized inflammation of the eyes and abnormal pain, which can lead to the harm of glaucoma. Precautions: eye drops should be used under the guidance of a doctor, according to the specific symptoms of eye disease corresponding treatment.